<clickhouse>
    <remote_servers>
        <secure>
            <secret>foo</secret>
            <node>
                <host>node1</host>
                <port>9000</port>
                <default_database>r0</default_database>
            </node>
            <node>
                <host>node2</host>
                <port>9000</port>
                <default_database>r1</default_database>
            </node>
        </secure>
    </remote_servers>
</clickhouse>

